You certainly but a lot of faith in Ritter. Even he describes himself an
engineer, not a cryptologist.

>
>>
>>
>>>Which begins with a quote from Shannon
>>>
>>> I have long proposed using a multiciphering "stack" of ciphers,
>>> instead of just one which could be weak beyond our knowledge. I
>>> have long proposed using multiple ciphers instead of just one, to
>>> end any "break" which might exist.
>>>
>>
>>
>> That's not a quote from Shannon. It's quote from Ritter.
>>
>>
>> J
>>
>>
>>
>
> Are you sure? Have you looked closely at pages 656-715 of the 1949
> Bell System Technical Journal?
>